From patchwork Wed May 11 14:45:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Clark X-Patchwork-Id: 12846275 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8DA17C433EF for ; Wed, 11 May 2022 14:47:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=dFE3SkEBgbEvcU7jb8WuUHaC0pPECT/eeC609G2Mtwk=; b=mpQXvOSZ51Kr2y r12cPM/Fgy2BXjOgysvfM/RC89GAtltpwiZoHrKnlEJX+tt/QD7d8g0NNCPNjKEinXUMfmsbPxzYU m1CkPzh7g/zWQ4ja78CNlzIv1x2eUoGmwQO2xSTKPQgjNdztOJ697klCetf2ovWz9cCNcGGODRBMR NZrZ4yEYV4sbG2dBpYQdQoiVvPV9e+jcsQaFe3D3/8LDTw8/ne6HwPggtdr8yZx/0h6HW7ZAn9EoW R02qlrKCbYGH8ujGeOe8HYj2GZyO1v7EoLKPJxWzfWLJAqbgin0bWNlpLn4LebCZw0Kcd1UpNuC/N xEUzn1RZRTzS1dpP0ayw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nonbP-007INi-Lu; Wed, 11 May 2022 14:46:11 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nonbM-007IMh-Ja for linux-arm-kernel@lists.infradead.org; Wed, 11 May 2022 14:46:09 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 49093ED1; Wed, 11 May 2022 07:46:07 -0700 (PDT) Received: from e121896.arm.com (unknown [10.57.2.55]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 86D403F66F; Wed, 11 May 2022 07:46:05 -0700 (PDT) From: James Clark To: suzuki.poulose@arm.com, mathieu.poirier@linaro.org, coresight@lists.linaro.org, mike.leach@linaro.org Cc: leo.yan@linaro.com, James Clark , Leo Yan , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 0/4] coresight: Add config flag to enable branch broadcast Date: Wed, 11 May 2022 15:45:57 +0100 Message-Id: <20220511144601.2257870-1-james.clark@arm.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220511_074608_721345_D09B0E47 X-CRM114-Status: UNSURE ( 7.47 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Apologies for the delay. Changes since v2: * Pick up some of Mike's review tags * Add a comment explaining rationale for not opening the event when BB isn't supported * Extend docs to say that Perf doesn't support decode when binaries are modified * Drop Perf side patches that were already merged Thanks James James Clark (4): coresight: Add config flag to enable branch broadcast Documentation: coresight: Turn numbered subsections into real subsections Documentation: coresight: Link config options to existing documentation Documentation: coresight: Expand branch broadcast documentation .../coresight/coresight-etm4x-reference.rst | 17 +++++- Documentation/trace/coresight/coresight.rst | 56 +++++++++++++++++-- .../hwtracing/coresight/coresight-etm-perf.c | 2 + .../coresight/coresight-etm4x-core.c | 14 +++++ include/linux/coresight-pmu.h | 2 + 5 files changed, 85 insertions(+), 6 deletions(-)